Summary
The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.
Security Fix(es):
* libarchive: Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive (CVE-2026-4111)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | bsdtar | 3.5.3-7.el9_7 |
| AlmaLinux · 9 | libarchive | 3.5.3-7.el9_7 |
| AlmaLinux · 9 | libarchive-devel | 3.5.3-7.el9_7 |
Vulnerabilities 1
-
High 7.5
Libarchive: infinite loop denial of service in rar5 decompression via archive_read_data() in libarchive
A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archive_read_data() processing path. When a specially crafted RAR5 archive is processed, the decompression routine may enter a state where interna…